Substances within lithium batteries in Taiwan

Source: T.C. Changa, S.J. Youb, B.S. Yuc, K.F. Yaoa, 2008. A material flow of lithium batteries in Taiwan.

This diagram takes an interesting strategy for representing the substances within the flow of batteries in Taiwan, by indexing the quantities of Li, Co, Al, Cu and Ni per process.  The choice of flow arrows in unfortunate, but the message is clear.